Energy

What is mechanical energy?

• the energy of motion

• the energy of heat

• visible energy

Electrical energy

• is caused heat

• comes from the sun

• is caused by the flow of electrons

Light energy is

• energy that is visible

• energy given off by the sun

• energy given off by lightbulbs

• all of the above

thermal energy

• is heat energy

• visible energy

• happens when things get cold

sound energy

• is caused by vibrations

• requires something to be hit

• can only be made by people

what is the variable in the example below?

What surface will the ball bounce the highest?

• surface

• height of the ball

• type of bball

What is the variable in the example below?

In what soil will a rose grow best?

• type of flower

• type of soil

• amount of water

What is the variable below?

What material can hold the most weight?

• type of object being held

• time something is held

• type of material

What conversion is taking place?

plugging in a radio

• light to sound

• electrical to sound

• heat to electrical

What conversion is taking place?

a windmill

• electrical to mechanical

• mechanical to electrical

• sound to electrical